For Satsuki, a housewife living in an apartment, shopping had become a daily pleasure and an essential part of her life. She had sustained her relationship with her husband by exchanging the thrill of shopping for the temptation of sex. However, one day, after being reprimanded for shopping too frequently, Satsuki's dependency on shopping intensified. As a result, she turned to consumer loans, soon finding it difficult to keep up with repayments. Cornered and desperate, she was left with no choice but to offer her body to the loan collector.